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相关论文: The SNS Cryogenic Control System: Experiences in C…

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The control systems of all neutron scattering instruments implemented by the J\"ulich Centre for Neutron Science (JCNS) are based on Siemens PLC technology. Historically PROFIBUS has been used for the communication of PLCs with supervisory…

仪器与探测器 · 物理学 2018-06-26 H. Kleines , A. Ackens , F. Suxdorf

This paper describes a cryogenic optical testbed developed to characterize u-Spec spectrometers in a dedicated dilution refrigerator (DR) system. u-Spec is a far-infrared integrated spectrometer that is an analog to a Rowland-type grating…

In this work, a spiking neural network (SNN) is proposed for approximating differential sensorimotor maps of robotic systems. The computed model is used as a local Jacobian-like projection that relates changes in sensor space to changes in…

机器人学 · 计算机科学 2021-10-12 Omar Zahra , Silvia Tolu , David Navarro-Alarcon

The European Spallation Source (ESS) in Lund, Sweden will become the world's leading neutron source for the study of materials. The instruments are being selected from conceptual proposals submitted by groups from around Europe. These…

The COHERENT collaboration measured coherent elastic neutrino-nucleus scattering (CEvNS) for the first time at the Spallation Neutron Source at Oak Ridge National Laboratory, using a CsI[Na] detector. Here we discuss the nature of the CEvNS…

高能物理 - 实验 · 物理学 2018-01-18 Kate Scholberg

In Forschungszentrum Juelich the control and data acquisition systems for several neutron spectrometers are being built. Because some of these spectrometers will be commissioned to the new research reactor FRM-II at the technical university…

Cooling of neutron stars (NSs) with superfluid cores is simulated taking into account neutrino emission produced by Cooper pairing of nucleons. The critical temperatures of neutron and proton superfluidities, $T_{cn}$ and $T_{cp}$, are…

天体物理学 · 物理学 2007-05-23 K. P. Levenfish , Yu. A. Shibanov , D. G. Yakovlev

As part of its HL-LHC upgrade program, the CMS collaboration is replacing its existing endcap calorimeters with a high-granularity calorimeter (CE). The new calorimeter is a sampling calorimeter with unprecedented transverse and…

仪器与探测器 · 物理学 2023-08-30 CMS HGCAL Collaboration

Continuous Stirred Tank Reactors (CSTR) are the most important and central equipment in many chemical and biochemical industry that exhibit second order complex nonlinear dynamics. The nonlinear dynamics of CSTR poses many design and…

系统与控制 · 计算机科学 2018-05-03 Abhinav Sinha , Rajiv Kumar Mishra

Feedback systems are essential for stable operation of a linear collider, providing a cost-effective method for relaxing tight tolerances. In the Stanford Linear Collider (SLC), feedback controls beam parameters such as trajectory, energy,…

加速器物理 · 物理学 2016-11-17 L. Hendrickson , P. Grossberg , T. Himel , M. Minty , N. Phinney , P. Raimondi , T. Raubenheimer , H. Shoaee , P. Tenenbaum

Neural networks and neuromorphic computing play pivotal roles in deep learning and machine vision. Due to their dissipative nature and inherent limitations, traditional semiconductor-based circuits face challenges in realizing ultra-fast…

超导电性 · 物理学 2024-05-21 Sasan Razmkhah , Mustafa Altay Karamuftuoglu , Ali Bozbey

JSNS$^2$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment that is searching for sterile neutrinos via the observation of $\bar{\nu}_{\mu} \rightarrow \bar{\nu}_e$ appearance oscillations using neutrinos…

The neutron time-of-flight (n_TOF) facility at the European Laboratory for Particle Physics (CERN) is a pulsed white-spectrum neutron spallation source producing neutrons for two experimental areas: the Experimental Area 1 (EAR1), located…

The Spallation Neutron Source in Oak Ridge, Tennessee, is designed to produce intense pulsed neutrons for various science and engineering applications. Copious neutrinos are a free by-product. When it reaches full power, the SNS will be the…

高能物理 - 实验 · 物理学 2009-10-16 K. Scholberg , T. Wongjirad , E. Hungerford , A. Empl , D. Markoff , P. Mueller , Y. Efremenko , D. McKinsey , J. Nikkel

We report on the realization of a sputter deposition system for the in situ- and in operando-use in polarized neutron reflectometry experiments. Starting with the scientific requirements, which define the general design considerations, the…

Cloud and bubble chambers have historically been used for particle detection, capitalizing on supersaturation and superheating, respectively. Here we present new results from a prototype snowball chamber, in which an incoming particle…

高能物理 - 实验 · 物理学 2024-02-12 M. Szydagis , C. Levy , A. E. Bolotnikov , M. V. Diwan , G. J. Homenides , A. C. Kamaha , J. Martin , R. Rosero , M. Yeh

The NML cryogenic plant cools two individually cryostated superconducting radio frequency (SRF) capture cavities and one prototype ILC cryomodule with eight SRF cavities. This complex accelerates electrons at 150 MeV for the Integrable…

Ultracold neutrons (UCN) can be stored in suitable bottles and observed for several hundreds of seconds. Therefore UCN can be used to study in detail the fundamental properties of the neutron. A new user facility providing ultracold…

核实验 · 物理学 2015-06-04 Bernhard Lauss

The project, aimed at the theoretical support of experiments at modern and future accelerators -- TEVATRON, LHC, electron Linear Colliders (TESLA, NLC, CLIC) and muon factories, is presented. Within this project a four-level computer system…

高能物理 - 唯象学 · 物理学 2009-11-07 A. Andonov , D. Bardin , S. Bondarenko , P. Christova , L. Kalinovskaya , G. Nanava , G. Passarino